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Chapter 7 — SANITARY DRAINAGE

705.6 PVC and PVC Co-Extruded Plastic Pipe andJoining Methods.

California Plumbing Code (Title 24, Part 5) · 2019 edition · updated 2026-09-10 · California

Italicized text is a California amendment to the model code, as printed in the official publication.

Joining methods for PVC plastic pipe and fittings shall be installed in accordance with the manufacturer’s installation instructions and shall comply with Section 705.6.1 through Section 705.6.3.

705.6.1 Mechanical Joints. Mechanical joints shall be designed to provide a permanent seal and shall be of the mechanical or push-on joint type. The push-on joint shall include an elastomeric gasket that complies with ASTM D3212 and shall provide a compressive force against the spigot and socket after assembly to provide a permanent seal. 705.6.2 Solvent Cement Joints. Solvent cement joints for PVC pipe and fittings shall be clean from dirt and moisture. Pipe shall be cut square, and pipe shall be deburred. Where surfaces to be joined are cleaned and free of dirt, moisture, oil, and other foreign material, apply primer purple in color that complies with ASTM F656. Primer shall be applied to the surface of the pipe and fitting is softened. Solvent cement that comply with ASTM D2564 shall be applied to all joint surfaces. Joints shall be made while both the inside socket surface and outside surface of pipe are wet with solvent cement. Hold joint in place and undisturbed for 1 minute after assembly. [HCD 1 & HCD 2] Plastic pipe and fittings joined with solvent cement shall utilize Low VOC primer(s), if a primer is required, and Low VOC cement(s) as defined in Section 214.0. 705.6.3 Threaded Joints. Threads shall comply with ASME B1.20.1. A minimum of Schedule 80 shall be permitted to be threaded. Molded threads on adapter fittings for the transition to threaded joints shall be permitted. Thread sealant compound that is compatible with the pipe and fitting, insoluble in water and nontoxic shall be applied to male threads. The joint between the pipe and transition fitting shall be of the solvent cement type. Caution shall be used during assembly to prevent over tightening of the PVC components once the thread sealant has been applied. Female PVC threaded fittings shall be used with plastic male threads only.

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180 2019 CALIFORNIA PLUMBING CODE

SANITARY DRAINAGE

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SANITARY DRAINAGE

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▸Contents — California Plumbing Code (Title 24, Part 5)
California Plumbing Code (Title 24, Part 5)
  1. Chapter 1 — GENERAL CODE PROVISIONS
  2. Chapter 2 — DEFINITIONS
  3. Chapter 3 — GENERAL REGULATIONS
  4. Chapter 4 — PLUMBING FIXTURES AND FIXTURE FITTINGS
  5. Chapter 5 — WATER HEATERS
  6. Chapter 6 — WATER SUPPLY AND DISTRIBUTION
  7. ▸Chapter 7 — SANITARY DRAINAGE
    Overview
    1. 701.2 Drainage Piping. Materials for drainage piping shall
    2. 701.4 Continuous Wastes. Continuous wastes and fixture
    3. 701.5 Lead. (See Table 1701.1) Sheet lead shall comply with
    4. 701.6 Caulking Ferrules. Caulking ferrules shall be manufactur…
    5. 701.7 Soldering Bushings. Soldering bushings shall be
    6. 701.3 Drainage Fittings. Materials for drainage fittings
    7. 702.0 Fixture Unit Equivalents.702.1 Trap Size. The unit equiv…
    8. 702.2 Intermittent Flow. Drainage fixture units for intermitte…
    9. 702.3 Continuous Flow. For a continuous flow into a
    10. 703.2 Maximum Number of Fixture Units. Table 703.2
    11. 703.3 Sizing per Appendix C. For alternate method of
    12. 704.2 Single Vertical Drainage Pipe. Two fixtures set
    13. 704.3 Commercial Sinks. Pot sinks, scullery sinks, dishwashing…
    14. 705.1 ABS and ABS Co-Extruded Plastic Pipe andJoints. Joining …
    15. 705.2 Cast-Iron Pipe and Joints. Joining methods for
    16. 705.3 Copper or Copper Alloy Pipe (DWV) andJoints. Joining met…
    17. 705.4 Galvanized Steel Pipe and Joints. Joining methods for ga…
    18. 705.5 Polyethylene (PE) Sewer Pipe. Polyethylene (PE)
    19. 705.6 PVC and PVC Co-Extruded Plastic Pipe andJoining Methods.…
    20. 705.7 Stainless Steel Pipe and Joints. Joining methods for sta…
    21. 705.8 Vitrified Clay Pipe and Joints. Joining methods
    22. 705.9 Special Joints. Special joints shall comply with Section…
    23. 705.10 Joints Between Various Materials. Joints
    24. 706.2 Horizontal to Vertical. Horizontal drainage lines,
    25. 706.3 Horizontal to Horizontal. Horizontal drainage lines
    26. 706.4 Vertical to Horizontal. Vertical drainage lines connecti…
    27. 707.0 Cleanouts.707.1 Plug. Each cleanout fitting for cast-iro…
    28. 707.2 Approved. Each cleanout fitting and each cleanout
    29. 707.3 Watertight and Gastight. Cleanouts shall be
    30. 707.4 Location. Each horizontal drainage pipe shall be provide…
    31. 707.5 Cleaning. Each cleanout shall be installed so that it
    32. 707.6 Extension. Each cleanout extension shall be considered a…
    33. 707.7 Interceptor. Each cleanout for an interceptor shall be
    34. 707.8 Access. Each cleanout, unless installed under an
    35. 707.9 Clearance. Each cleanout in piping 2 inches (50 mm)
    36. 707.10 Fittings. Cleanout fittings shall be not less in size
    37. 707.11 Pressure Drainage Systems. Cleanouts shall be
    38. 707.12 Countersunk Cleanout Plugs. Countersunk
    39. 707.13 Hubless Blind Plugs. Where a hubless blind plug
    40. 707.14 Trap Arms. Cleanouts for trap arms shall be installed
    41. 708.0 Grade of Horizontal Drainage Piping.708.1 General. Horiz…
    42. 710.0 Drainage of Fixtures Located Below the Next
    43. 710.2 Sewage Discharge. Drainage piping serving fixtures that …
    44. 710.3 Sewage Ejector and Pumps. A sewage ejector or
    45. 710.4 Discharge Line. The discharge line from such ejector, pu…
    46. 710.5 Size of Building Drains and Sewers. Building
    47. 710.6 Backwater Valves. Backwater valves, gate valves,
    48. 710.7 Drainage and Venting Systems. The drainage and
    49. 710.8 Sump and Receiving Tank Construction. Sumps
    50. 710.9 Alarm. Such sumps and receiving tanks shall be automatic…
    51. 710.10 Sump and Receiving Tank Covers and Vents.
    52. 710.11 Air Tanks. Air tanks shall be so proportioned as to be
    53. 710.12 Grinder Pump Ejector. Grinder pumps shall be
    54. 710.13 Macerating Toilet Systems and PumpedWaste Systems. Fixt…
    55. 712.2 Water Test. The water test shall be applied to the
    56. 712.3 Air Test. The air test shall be made by attaching an
    57. 713.2 Private Sewage Disposal System. Where no public sewer in…
    58. 713.3 Public Sewer. Within the limits prescribed by Section 71…
    59. 713.4 Public Sewer Availability. The public sewer shall be
    60. 711.0 Suds Relief.711.1 General. Drainage connections shall no…
    61. 713.5 Permit. No permit shall be issued for the installation,
    62. 713.6 Lot. On every lot or premises hereafter connected to
    63. 713.7 Installation. In cities, counties, or both where the
    64. 714.2 Prohibited Water Discharge. No rain, surface, or
    65. 714.3 Prohibited Sewer Connection. No cesspool, septic tank, s…
    66. 714.4 Commercial Food Waste Disposer. The Authority Having Jur…
    67. 714.5 Tanks. An approved type, watertight sewage or wastewater…
    68. 715.2 Joining Methods and Materials. Joining methods
    69. 715.3 Existing Sewers. Replacement of existing building
    70. 717.2 [AGR] Meat and Poultry Processing Plants. The
    71. 718.2 Support. Building sewer piping shall be laid on a firm
    72. 718.3 Protection from Damage. No building sewer or
    73. 719.2 No Additional Cleanouts. Where a building sewer
    74. 719.3 Building Sewer Cleanouts. Required building
    75. 719.4 Cleaning. Each cleanout shall be installed so that it
    76. 719.5 Access. Cleanouts installed under concrete or asphalt
    77. 719.6 Manholes. Approved manholes shall be permitted to
    78. 720.0 Sewer and Water Pipes.720.1 General. Building sewers or …
    79. 721.0 Location.721.1 Building Sewer. Except as provided in Sec…
    80. 721.2 Abutting Lot. Nothing contained in this code shall be
    81. 724.2 Toilet soil lines shall be separated from house drainage
    82. 726.2 Toilet soil lines shall be separated from house drainage
    83. 727.0 [OSHPD 1] Emergency Sanitary Drainage.727.1 For new acut…
    84. 722.2 Cesspools, Septic Tanks, and Seepage Pits. A
    85. 722.3 Filling. The top cover or arch over the cesspool, septic…
    86. 722.4 Ownership. No person owning or controlling a
    87. 722.5 Disposal Facilities. Where disposal facilities are
  8. Chapter 8 — INDIRECT WASTES
  9. Chapter 9 — VENTS
  10. Chapter 10 — TRAPS AND INTERCEPTORS
  11. Chapter 11 — STORM DRAINAGE
  12. Chapter 12 — FUEL GAS PIPING
  13. Chapter 13 — HEALTH CARE FACILITIES AND MEDICAL GAS AND MEDICA…
  14. Chapter 14 — FIRESTOP PROTECTION
  15. Chapter 15 — ALTERNATE WATER SOURCES FOR NONPOTABLE APPLICATIONS
  16. Chapter 16 — NONPOTABLE RAINWATER CATCHMENT SYSTEMS
  17. Chapter 17 — REFERENCED STANDARDS
  18. Appendix A — RECOMMENDED RULES FOR SIZING THE WATER SUPPLY SYS…
  19. Appendix B — EXPLANATORY NOTES ON COMBINATION WASTE AND VENT S…
  20. Appendix C — ALTERNATE PLUMBING SYSTEMS
  21. Appendix D — SIZING STORM WATER DRAINAGE SYSTEMS
  22. Appendix E — MANUFACTURED/MOBILE HOME PARKS AND RECREATIONAL V…
  23. Appendix F — FIREFIGHTER BREATHING AIR REPLENISHMENT SYSTEMS
  24. Appendix G — SIZING OF VENTING SYSTEMS
  25. Appendix H — PRIVATE SEWAGE DISPOSAL SYSTEMS
  26. Appendix I — INSTALLATION STANDARD FOR PEX TUBING SYSTEMS FOR …
  27. Appendix J — COMBINATION OF INDOOR AND OUTDOOR COMBUSTION AND …
  28. Appendix K — POTABLE RAINWATER CATCHMENT SYSTEMS
  29. Appendix L — SUSTAINABLE PRACTICES
  30. Appendix M — PEAK WATER DEMAND CALCULATOR

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